FR680395A - Device for telegraph installations - Google Patents

Device for telegraph installations

Info

Publication number
FR680395A
FR680395A FR680395DA FR680395A FR 680395 A FR680395 A FR 680395A FR 680395D A FR680395D A FR 680395DA FR 680395 A FR680395 A FR 680395A
Authority
FR
France
Prior art keywords
telegraph
installations
telegraph installations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR680395A publication Critical patent/FR680395A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/12—Compensating for variations in line impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
FR680395D 1929-02-28 1929-08-17 Device for telegraph installations Expired FR680395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE337102X 1929-02-28

Publications (1)

Publication Number Publication Date
FR680395A true FR680395A (en) 1930-04-29

Family

ID=6221094

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680395D Expired FR680395A (en) 1929-02-28 1929-08-17 Device for telegraph installations

Country Status (2)

Country Link
FR (1) FR680395A (en)
GB (1) GB337102A (en)

Also Published As

Publication number Publication date
GB337102A (en) 1930-10-30

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